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Fluid Ounces to cups converter

Convert fluid ounces to cups instantly with a fast fl oz to cup calculator.

Fluid Ounces
Cups
1cup
cup = fluid ounce x 0.125

About converting fluid ounces to cups

Conversion formula

Fluid Ounces and cups are both used to measure the same kind of value, but they belong to different measurement systems or are used in different contexts. This page helps you move between fluid ounce and cup without doing the math by hand. It is useful when you need a fast answer and also want a clear explanation of how the conversion works.

The fluid ounce to cup conversion on this page uses the same formula shown in the calculator and reference table. You can enter any value, see the result immediately, and check the relationship between the two units before copying the output. For quick checks, it also helps to remember reference points like 1 fl oz and 10 fl oz, which are often enough to estimate a rough result mentally before confirming the exact number.

Common floz to cups values

A few common conversions make this page easier to use in real situations. For example, 1 fl oz is a useful baseline, 5 fl oz is handy for quick comparisons, and 10 fl oz is often used as a clean reference point when checking larger values. The table on this page gives you a faster way to scan those common numbers without re-entering them each time.

When this conversion is useful

This conversion often comes up in cooking, beverage prep, packaging, and liquid storage planning. Whether you are comparing measurements from different regions, reading labels, checking specifications, or planning practical tasks, having a quick fl oz to cup reference can save time and reduce mistakes. Because this page is static and focused on a single conversion intent, it is built to give you the formula, worked examples, and quick-reference values in one place.

Formula

live reference

Use the same conversion rule shown below in the widget, examples, and table on this page.

formula

cup = fluid ounce x 0.125

example

8 fl oz x 0.125 = 1 cup

Example conversions

30 presets

Quick reference values for the most common fluid ounces to cups lookups.

sample

0.5 fl oz

0.0625 cup

sample

1 fl oz

0.125 cup

sample

1.5 fl oz

0.1875 cup

sample

2 fl oz

0.25 cup

sample

3 fl oz

0.375 cup

sample

4 fl oz

0.5 cup

sample

5 fl oz

0.625 cup

sample

6 fl oz

0.75 cup

sample

8 fl oz

1 cup

sample

10 fl oz

1.25 cup

sample

12 fl oz

1.5 cup

sample

14 fl oz

1.75 cup

sample

16 fl oz

2 cup

sample

20 fl oz

2.5 cup

sample

24 fl oz

3 cup

sample

28 fl oz

3.5 cup

sample

32 fl oz

4 cup

sample

40 fl oz

5 cup

sample

48 fl oz

6 cup

sample

56 fl oz

7 cup

sample

64 fl oz

8 cup

sample

80 fl oz

10 cup

sample

96 fl oz

12 cup

sample

112 fl oz

14 cup

sample

128 fl oz

16 cup

sample

160 fl oz

20 cup

sample

192 fl oz

24 cup

sample

256 fl oz

32 cup

sample

384 fl oz

48 cup

sample

512 fl oz

64 cup

Conversion table

30 rows
fl ozcup
0.5 fl oz0.0625 cup
1 fl oz0.125 cup
1.5 fl oz0.1875 cup
2 fl oz0.25 cup
3 fl oz0.375 cup
4 fl oz0.5 cup
5 fl oz0.625 cup
6 fl oz0.75 cup
8 fl oz1 cup
10 fl oz1.25 cup
12 fl oz1.5 cup
14 fl oz1.75 cup
16 fl oz2 cup
20 fl oz2.5 cup
24 fl oz3 cup
28 fl oz3.5 cup
32 fl oz4 cup
40 fl oz5 cup
48 fl oz6 cup
56 fl oz7 cup
64 fl oz8 cup
80 fl oz10 cup
96 fl oz12 cup
112 fl oz14 cup
128 fl oz16 cup
160 fl oz20 cup
192 fl oz24 cup
256 fl oz32 cup
384 fl oz48 cup
512 fl oz64 cup

About this converter

tool notes

Volume conversions are most useful when liquids, recipes, and packaging labels refuse to stick to one unit system. A recipe might use cups, a bottle may show fluid ounces, and product packaging often switches to milliliters or liters. This hub brings those everyday conversions together so you can move quickly from a kitchen measurement to a packaging check or a beverage portion comparison. The goal is not just to provide a calculator, but to make common liquid-size conversions easier to scan, understand, and reuse across cooking, shopping, and product research.

How many cups are in 1 fluid ounce?

1 fluid ounce equals 0.125 cups.

What is the formula to convert fl oz to cups?

Divide fluid ounces by 8 to convert them to cups.

Why would I convert ounces to cups?

It helps with recipe scaling, serving sizes, and comparing bottle or drink volumes.

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